8904168953 has 4 divisors (see below), whose sum is σ = 8908924788. Its totient is φ = 8899413120.

The previous prime is 8904168947. The next prime is 8904169003. The reversal of 8904168953 is 3598614098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3849954304 + 5054214649 = 62048^2 + 71093^2 .

It is a cyclic number.

It is not a de Polignac number, because 8904168953 - 2⁸ = 8904168697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8904168895 and 8904168904.

It is not an unprimeable number, because it can be changed into a prime (8904168653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2375108 + ... + 2378853.

It is an arithmetic number, because the mean of its divisors is an integer number (2227231197).

Almost surely, 2^8904168953 is an apocalyptic number.

It is an amenable number.

8904168953 is a deficient number, since it is larger than the sum of its proper divisors (4755835).

8904168953 is a wasteful number, since it uses less digits than its factorization.

8904168953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755834.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 8904168953 is about 94361.9041403892. The cubic root of 8904168953 is about 2072.6746256134.

The spelling of 8904168953 in words is "eight billion, nine hundred four million, one hundred sixty-eight thousand, nine hundred fifty-three".